summaryrefslogtreecommitdiff
path: root/include/linux/serial167.h
blob: 71b6df2516a68bf103d7e2ce82b82e93c9247284 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/*
 * serial167.h
 *
 * Richard Hirst [richard@sleepie.demon.co.uk]
 *
 * Based on cyclades.h
 */

struct cyclades_monitor {
        unsigned long           int_count;
        unsigned long           char_count;
        unsigned long           char_max;
        unsigned long           char_last;
};

/*
 * This is our internal structure for each serial port's state.
 * 
 * Many fields are paralleled by the structure used by the serial_struct
 * structure.
 *
 * For definitions of the flags field, see tty.h
 */

struct cyclades_port {
	int                     magic;
	int                     type;
	int			card;
	int			line;
	int			flags; 		/* defined in tty.h */
	struct tty_struct 	*tty;
	int			read_status_mask;
	int			timeout;
	int			xmit_fifo_size;
	int                     cor1,cor2,cor3,cor4,cor5,cor6,cor7;
	int                     tbpr,tco,rbpr,rco;
	int			ignore_status_mask;
	int			close_delay;
	int			IER; 	/* Interrupt Enable Register */
	unsigned long		event;
	unsigned long		last_active;
	int			count;	/* # of fd on device */
	int                     x_char; /* to be pushed out ASAP */
	int                     x_break;
	int			blocked_open; /* # of blocked opens */
	unsigned char 		*xmit_buf;
	int			xmit_head;
	int			xmit_tail;
	int			xmit_cnt;
        int                     default_threshold;
        int                     default_timeout;
	struct work_struct	tqueue;
	wait_queue_head_t	open_wait;
	wait_queue_head_t	close_wait;
        struct cyclades_monitor mon;
};

#define CYCLADES_MAGIC  0x4359

#define CYGETMON                0x435901
#define CYGETTHRESH             0x435902
#define CYSETTHRESH             0x435903
#define CYGETDEFTHRESH          0x435904
#define CYSETDEFTHRESH          0x435905
#define CYGETTIMEOUT            0x435906
#define CYSETTIMEOUT            0x435907
#define CYGETDEFTIMEOUT         0x435908
#define CYSETDEFTIMEOUT         0x435909

/*
 * Events are used to schedule things to happen at timer-interrupt
 * time, instead of at cy interrupt time.
 */
#define Cy_EVENT_READ_PROCESS	0
#define Cy_EVENT_WRITE_WAKEUP	1
#define Cy_EVENT_HANGUP		2
#define Cy_EVENT_BREAK		3
#define Cy_EVENT_OPEN_WAKEUP	4



#define CyMaxChipsPerCard 1

/**** cd2401 registers ****/

#define CyGFRCR         (0x81)
#define CyCCR		(0x13)
#define      CyCLR_CHAN		(0x40)
#define      CyINIT_CHAN	(0x20)
#define      CyCHIP_RESET	(0x10)
#define      CyENB_XMTR		(0x08)
#define      CyDIS_XMTR		(0x04)
#define      CyENB_RCVR		(0x02)
#define      CyDIS_RCVR		(0x01)
#define CyCAR		(0xee)
#define CyIER		(0x11)
#define      CyMdmCh		(0x80)
#define      CyRxExc		(0x20)
#define      CyRxData		(0x08)
#define      CyTxMpty		(0x02)
#define      CyTxRdy		(0x01)
#define CyLICR		(0x26)
#define CyRISR		(0x89)
#define      CyTIMEOUT		(0x80)
#define      CySPECHAR		(0x70)
#define      CyOVERRUN		(0x08)
#define      CyPARITY		(0x04)
#define      CyFRAME		(0x02)
#define      CyBREAK		(0x01)
#define CyREOIR		(0x84)
#define CyTEOIR		(0x85)
#define CyMEOIR		(0x86)
#define      CyNOTRANS		(0x08)
#define CyRFOC		(0x30)
#define CyRDR		(0xf8)
#define CyTDR		(0xf8)
#define CyMISR		(0x8b)
#define CyRISR		(0x89)
#define CyTISR		(0x8a)
#define CyMSVR1		(0xde)
#define CyMSVR2		(0xdf)
#define      CyDSR		(0x80)
#define      CyDCD		(0x40)
#define      CyCTS		(0x20)
#define      CyDTR		(0x02)
#define      CyRTS		(0x01)
#define CyRTPRL		(0x25)
#define CyRTPRH		(0x24)
#define CyCOR1		(0x10)
#define      CyPARITY_NONE	(0x00)
#define      CyPARITY_E		(0x40)
#define      CyPARITY_O		(0xC0)
#define      Cy_5_BITS		(0x04)
#define      Cy_6_BITS		(0x05)
#define      Cy_7_BITS		(0x06)
#define      Cy_8_BITS		(0x07)
#define CyCOR2		(0x17)
#define      CyETC		(0x20)
#define      CyCtsAE		(0x02)
#define CyCOR3		(0x16)
#define      Cy_1_STOP		(0x02)
#define      Cy_2_STOP		(0x04)
#define CyCOR4		(0x15)
#define      CyREC_FIFO		(0x0F)  /* Receive FIFO threshold */
#define CyCOR5		(0x14)
#define CyCOR6		(0x18)
#define CyCOR7		(0x07)
#define CyRBPR		(0xcb)
#define CyRCOR		(0xc8)
#define CyTBPR		(0xc3)
#define CyTCOR		(0xc0)
#define CySCHR1		(0x1f)
#define CySCHR2 	(0x1e)
#define CyTPR		(0xda)
#define CyPILR1		(0xe3)
#define CyPILR2		(0xe0)
#define CyPILR3		(0xe1)
#define CyCMR		(0x1b)
#define      CyASYNC		(0x02)
#define CyLICR          (0x26)
#define CyLIVR          (0x09)
#define CySCRL		(0x23)
#define CySCRH		(0x22)
#define CyTFTC		(0x80)


/* max number of chars in the FIFO */

#define CyMAX_CHAR_FIFO	12

/***************************************************************************/